Dellar H. Hugh & Walkley A. Andrew. (2010). Outcomes. Intermediate: Student's Book. Andover, Heinle Cengage Learning, 2010.
Citazione stile Chigago Style (17a edizione)Dellar H. Hugh e Walkley A. Andrew. Outcomes. Intermediate: Student's Book. Andover, Heinle Cengage Learning, 2010, 2010.
Citatione MLA (9a ed.)Dellar H. Hugh e Walkley A. Andrew. Outcomes. Intermediate: Student's Book. Andover, Heinle Cengage Learning, 2010, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.